Plant Culture 02 Rudolf Steiner the Agricultural Mystic

Kirchmann, H. (n.d.). B i o l o g i c a l D y n a m i c F a r m i n g -- An O c c u l t F o r m of A l t e r n a t i v e A g r i c u l t u r e ?, 7(2), 173–187.

https://thinkbluearchitecture.com/rudolf-steiner-towards-an-organic-architecture/